Supported Exchanges
River Markets aggregates liquidity across multiple prediction market exchanges through a single API.Available Exchanges
Kalshi
US regulated prediction markets. Supports REST API and WebSocket for fills and orderbook data.
Polymarket
Crypto prediction markets. Supports REST API and WebSocket for fills and orderbook data.
Polymarket US
US regulated prediction markets. Supports REST API and WebSocket for fills and orderbook data.
Coming Soon
| Exchange | Description | Status |
|---|---|---|
| Novig | US regulated prediction markets | Coming soon |
| Rothera | US regulated prediction markets | Future integration |